<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <title>sys-admin</title>
  </head>
  <body>
    <div id="app" class="page"></div>
    
    <style>
      *{
        padding:0;
        margin: 0;
      }

      .page {
          width:100%;
          height:100%;
          background:#324057;
      }
    
    </style>
  </body>
</html>
